* [Lego v5.2.0](https://github.com/go-acme/lego) – Let's Encrypt client and ACME library written in Go. * [Teleport v18.8.2](https://github.com/gravitational/teleport) – Connectivity, authentication, access controls, and audit for infrastructure. * [Kubelet Serving Certificate Approver v0.11.0](https://github.com/alex1989hu/kubelet-serving-cert-approver) – Custom approving controller that approves kubernetes.io/kubelet-serving Certificate Signing Requests for kubelet TLS endpoints.